minimal:
reqprocessor: 2 GHz Dual Core CPU
reqgraphics: GeForce 8800 or higher, AMD Radeon HD 4000 or higher, Intel HD 4000 or higher (min. 512 MB VRAM)
reqmemory: 4 GB RAM
reqdiskspace: 4 GB
reqsystem: Windows Vista SP2, Windows 7, Windows 8

recommended:
reqprocessor: 2.5 GHz Quad Core CPU
reqgraphics: GeForce 560 or higher, AMD Radeon HD 5800 or higher
reqmemory: 8 GB RAM
reqdiskspace: 4 GB
reqsystem: Windows 7 (64 bit), Windows 8 (64 bit)